Surgery – Diagnostic testing – Measuring or detecting nonradioactive constituent of body...
Reexamination Certificate
2005-11-16
2011-11-01
Barton, Jeffrey T (Department: 1759)
Surgery
Diagnostic testing
Measuring or detecting nonradioactive constituent of body...
C204S403050, C204S403110, C204S403130, C424S424000, C210S500210, C427S002120, C604S891100, C600S365000
Reexamination Certificate
active
08050731
ABSTRACT:
The invention provides an implantable membrane for regulating the transport of analytes therethrough that includes a matrix including a first polymer; and a second polymer dispersed throughout the matrix, wherein the second polymer forms a network of microdomains which when hydrated are not observable using photomicroscopy at 400× magnification or less. In one aspect, the homogeneous membrane of the present invention has hydrophilic domains dispersed substantially throughout a hydrophobic matrix to provide an optimum balance between oxygen and glucose transport to an electrochemical glucose sensor.
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pat
McClure Jason D.
Rhodes Rathbun K.
Shults Mark C.
Tapsak Mark A.
Barton Jeffrey T
DexCom, Inc.
Dieterle Jennifer
Knobbe Martens Olson & Bear LLP
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